OpenGLRenderer.h revision d44fbe55a9f434cb5bb0e34c143ba1445141990d
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#ifndef ANDROID_HWUI_OPENGL_RENDERER_H 185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#define ANDROID_HWUI_OPENGL_RENDERER_H 199d5316e3f56d138504565ff311145ac01621dff4Romain Guy 209d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include <GLES2/gl2.h> 219d5316e3f56d138504565ff311145ac01621dff4Romain Guy#include <GLES2/gl2ext.h> 2285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 23ce0537b80087a6225273040a987414b1dd081aa0Romain Guy#include <SkBitmap.h> 24f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include <SkMatrix.h> 25ce0537b80087a6225273040a987414b1dd081aa0Romain Guy#include <SkPaint.h> 26079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy#include <SkRegion.h> 27d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy#include <SkShader.h> 2885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include <SkXfermode.h> 29e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 30daf98e941e140e8739458126640183b9f296a2abChet Haase#include <utils/Functor.h> 31bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include <utils/RefBase.h> 32ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy#include <utils/SortedVector.h> 338694230ff25fa0a60e480d424843e56b718f0516Romain Guy#include <utils/Vector.h> 34bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 357953745dd565167113f8cbfc461bc0521d32d870Romain Guy#include <cutils/compiler.h> 367953745dd565167113f8cbfc461bc0521d32d870Romain Guy 373b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include <androidfw/ResourceTypes.h> 383b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 39c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#include "Debug.h" 4051769a68a5cb34e9564740c6a854fcb93018789dRomain Guy#include "Extensions.h" 41f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy#include "Matrix.h" 425cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include "Program.h" 43bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy#include "Rect.h" 44b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik#include "Renderer.h" 4514e513058ed4168c94e015638d16f5f87fd8063aChris Craik#include "StatefulBaseRenderer.h" 46db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy#include "SkiaColorFilter.h" 47b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik#include "Snapshot.h" 483b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy#include "UvMapper.h" 49b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik#include "Vertex.h" 50fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy#include "Caches.h" 51bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 52e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 539d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 54e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 55b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craikclass DeferredDisplayState; 56b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craikclass DisplayList; 57b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craikclass TextSetupFunctor; 58b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craikclass VertexBuffer; 59b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craikclass SkiaShader; 60b458942bb6e6cf13c68341dda35ef5cee060f5aeChris Craik 61c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craikstruct DrawModifiers { 629b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy DrawModifiers() { 639b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy reset(); 649b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy } 659b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy 669b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy void reset() { 679b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy memset(this, 0, sizeof(DrawModifiers)); 689b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy } 699b5a1a28c327e6113d68302b1f0eed1d1c6f6183Romain Guy 70c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik SkiaShader* mShader; 71c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik SkiaColorFilter* mColorFilter; 7216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik float mOverrideLayerAlpha; 73c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 74c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // Drop shadow 75c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool mHasShadow; 76c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik float mShadowRadius; 77c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik float mShadowDx; 78c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik float mShadowDy; 79c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int mShadowColor; 80c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 81c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // Draw filters 82c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik bool mHasDrawFilter; 83c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int mPaintFilterClearBits; 84c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik int mPaintFilterSetBits; 85c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik}; 86c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 87ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craikenum StateDeferFlags { 88ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik kStateDeferFlag_Draw = 0x1, 89ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik kStateDeferFlag_Clip = 0x2 90ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik}; 91ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 9228ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craikenum ClipSideFlags { 93a02c4ed885d97e516f844ddb0a96083f1b45b4cbChris Craik kClipSide_None = 0x0, 9428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Left = 0x1, 9528ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Top = 0x2, 9628ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Right = 0x4, 9728ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik kClipSide_Bottom = 0x8, 98d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik kClipSide_Full = 0xF, 99d72b73cea49f29c41661e55eb6bfdbc04f09d809Chris Craik kClipSide_ConservativeFull = 0x1F 10028ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik}; 10128ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik 1024063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik/** 1034063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Defines additional transformation that should be applied by the model view matrix, beyond that of 1044063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * the currentTransform() 1054063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 1064063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craikenum ModelViewMode { 1074063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik /** 1084063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Used when the model view should simply translate geometry passed to the shader. The resulting 1094063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * matrix will be a simple translation. 1104063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 1114063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_Translate = 0, 1124063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 1134063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik /** 1144063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Used when the model view should translate and scale geometry. The resulting matrix will be a 1154063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * translation + scale. This is frequently used together with VBO 0, the (0,0,1,1) rect. 1164063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 1174063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik kModelViewMode_TranslateAndScale = 1, 1184063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik}; 1194063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 120f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 121f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Renderer 122f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1235cbbce535744b89df5ecea95de21ee3733298260Romain Guy/** 12414e513058ed4168c94e015638d16f5f87fd8063aChris Craik * OpenGL Renderer implementation. 1255cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 12614e513058ed4168c94e015638d16f5f87fd8063aChris Craikclass OpenGLRenderer : public StatefulBaseRenderer { 127e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guypublic: 1287953745dd565167113f8cbfc461bc0521d32d870Romain Guy ANDROID_API OpenGLRenderer(); 129e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy virtual ~OpenGLRenderer(); 130e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 13187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy ANDROID_API void initProperties(); 13287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 133b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy virtual void setViewport(int width, int height); 1347c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy virtual status_t prepareDirty(float left, float top, float right, float bottom, bool opaque); 13517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy virtual void finish(); 136c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy virtual void interrupt(); 137c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy virtual void resume(); 138c89b14bba0f6cc2c91629080617f7ed215f697f3Romain Guy 13978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy ANDROID_API void setCountOverdrawEnabled(bool enabled) { 14078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy mCountOverdraw = enabled; 14178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 14278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 14378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy ANDROID_API float getOverdraw() { 14478dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy return mCountOverdraw ? mOverdraw : 0.0f; 14578dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy } 14678dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 1478f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy ANDROID_API status_t invokeFunctors(Rect& dirty); 148ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy ANDROID_API void detachFunctor(Functor* functor); 149ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy ANDROID_API void attachFunctor(Functor* functor); 1508f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty); 15108ae317c21ec3086b5017672bba87420cc38a407Romain Guy 15211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ANDROID_API void pushLayerUpdate(Layer* layer); 153e93482f5eac3df581d57e64c2a771a96aa868585Romain Guy ANDROID_API void cancelLayerUpdate(Layer* layer); 15411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ANDROID_API void clearLayerUpdates(); 155405436021da156fbe3c5d4de48bdefa564cf7fc0Romain Guy ANDROID_API void flushLayerUpdates(); 15611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 157d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger ANDROID_API virtual int saveLayer(float left, float top, float right, float bottom, 158d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags); 159bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 160d90144db52c7297879b950cbbc85137ed123ab5bChris Craik int saveLayerDeferred(float left, float top, float right, float bottom, 161d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags); 162d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 1634f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck virtual status_t drawDisplayList(DisplayList* displayList, Rect& dirty, int32_t replayFlags = 1); 164a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik virtual status_t drawLayer(Layer* layer, float x, float y); 165d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawBitmap(const SkBitmap* bitmap, float left, float top, 166d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 167d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawBitmaps(const SkBitmap* bitmap, AssetAtlas::Entry* entry, int bitmapCount, 168d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, bool pureTranslate, const Rect& bounds, const SkPaint* paint); 169d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawBitmap(const SkBitmap* bitmap, const SkMatrix* matrix, 170d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 171d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawBitmap(const SkBitmap* bitmap, float srcLeft, float srcTop, 172e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy float srcRight, float srcBottom, float dstLeft, float dstTop, 173d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float dstRight, float dstBottom, const SkPaint* paint); 174d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawBitmapData(const SkBitmap* bitmap, float left, float top, 175d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 176d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight, 177d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* vertices, const int* colors, const SkPaint* paint); 178d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawPatches(const SkBitmap* bitmap, AssetAtlas::Entry* entry, 179d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik TextureVertex* vertices, uint32_t indexCount, const SkPaint* paint); 180d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch, 181d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint); 182d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawPatch(const SkBitmap* bitmap, const Patch* mesh, AssetAtlas::Entry* entry, 183d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float left, float top, float right, float bottom, const SkPaint* paint); 184486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawColor(int color, SkXfermode::Mode mode); 185d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawRect(float left, float top, float right, float bottom, 186d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 187486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawRoundRect(float left, float top, float right, float bottom, 188d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float rx, float ry, const SkPaint* paint); 189d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawCircle(float x, float y, float radius, const SkPaint* paint); 190d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawOval(float left, float top, float right, float bottom, 191d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint); 192486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawArc(float left, float top, float right, float bottom, 193d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float startAngle, float sweepAngle, bool useCenter, const SkPaint* paint); 194d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawPath(const SkPath* path, const SkPaint* paint); 195d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawLines(const float* points, int count, const SkPaint* paint); 196d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawPoints(const float* points, int count, const SkPaint* paint); 197d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawTextOnPath(const char* text, int bytesCount, int count, const SkPath* path, 198d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik float hOffset, float vOffset, const SkPaint* paint); 199486590963e2207d68eebd6944fec70d50d41116aChet Haase virtual status_t drawPosText(const char* text, int bytesCount, int count, 200d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint); 201c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy virtual status_t drawText(const char* text, int bytesCount, int count, float x, float y, 202d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds, 203527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik DrawOpMode drawOpMode = kDrawOpMode_Immediate); 204d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik virtual status_t drawRects(const float* rects, int count, const SkPaint* paint); 20585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 206f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik status_t drawShadow(const mat4& casterTransform, float casterAlpha, 20715a07a21eb33e8ca1c7444944fe0541a53380c0cChris Craik const SkPath* casterOutline); 208f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik 2094aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShader(); 2104aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShader(SkiaShader* shader); 211d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2124aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetColorFilter(); 2134aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupColorFilter(SkiaColorFilter* filter); 214db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2154aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void resetShadow(); 2164aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guy virtual void setupShadow(float radius, float dx, float dy, int color); 2171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 2185ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void resetPaintFilter(); 2195ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy virtual void setupPaintFilter(int clearBits, int setBits); 2205ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 22116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik // If this value is set to < 1.0, it overrides alpha set on layer (see drawBitmap, drawLayer) 22216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik void setOverrideLayerAlpha(float alpha) { mDrawModifiers.mOverrideLayerAlpha = alpha; } 22316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 224d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* filterPaint(const SkPaint* paint); 2255ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 2265e49b307eb99269db2db257760508b8efd7bb97dChris Craik /** 2275e49b307eb99269db2db257760508b8efd7bb97dChris Craik * Store the current display state (most importantly, the current clip and transform), and 2285e49b307eb99269db2db257760508b8efd7bb97dChris Craik * additionally map the state's bounds from local to window coordinates. 2295e49b307eb99269db2db257760508b8efd7bb97dChris Craik * 2305e49b307eb99269db2db257760508b8efd7bb97dChris Craik * Returns true if quick-rejected 2315e49b307eb99269db2db257760508b8efd7bb97dChris Craik */ 232ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik bool storeDisplayState(DeferredDisplayState& state, int stateDeferFlags); 233527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik void restoreDisplayState(const DeferredDisplayState& state, bool skipClipRestore = false); 23428ce94a4ffc7576f40776d212f1ada79fafaa061Chris Craik void setupMergedMultiDraw(const Rect* clipRect); 235c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik 236d90144db52c7297879b950cbbc85137ed123ab5bChris Craik const DrawModifiers& getDrawModifiers() { return mDrawModifiers; } 237d90144db52c7297879b950cbbc85137ed123ab5bChris Craik void setDrawModifiers(const DrawModifiers& drawModifiers) { mDrawModifiers = drawModifiers; } 238d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 239672433d90fab7383cd28beac9d4485b566a90940Romain Guy ANDROID_API bool isCurrentTransformSimple() { 240d6b65f67717025b1162f86f04e2caa5723566cacChris Craik return currentTransform()->isSimple(); 241672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 242672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2430f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy Caches& getCaches() { 2440f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy return mCaches; 2450f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy } 2460f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 247ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik // simple rect clip 248ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik bool isCurrentClipSimple() { 249ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik return mSnapshot->clipRegion->isEmpty(); 250ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik } 251ff78583d8a73ca35ce65b5d2592570ff6fb9901bChris Craik 252d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int getViewportWidth() { return currentSnapshot()->viewport.getWidth(); } 253d6b65f67717025b1162f86f04e2caa5723566cacChris Craik int getViewportHeight() { return currentSnapshot()->viewport.getHeight(); } 2540e87f00f8cb79635aa70b9a2dfa02bf19dc7473dChris Craik 25517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 256a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik * Scales the alpha on the current snapshot. This alpha value will be modulated 25717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * with other alpha values when drawing primitives. 25817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 259a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik void scaleAlpha(float alpha) { 260a08f95cfeca7217f9c533b03663bf0dceedd259aChris Craik mSnapshot->alpha *= alpha; 26117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy } 26217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 26317112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 2640f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy * Inserts a named event marker in the stream of GL commands. 2650f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy */ 2660f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy void eventMark(const char* name) const; 2670f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy 2680f6675332c04c74909425d1d328f02b32c0ff40eRomain Guy /** 26917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Inserts a named group marker in the stream of GL commands. This marker 27017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * can be used by tools to group commands into logical groups. A call to 27117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * this method must always be followed later on by a call to endMark(). 27217112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 27313631f3da855f200a151e7837ed9f6b079622b58Romain Guy void startMark(const char* name) const; 27417112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 27517112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 27617112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Closes the last group marker opened by startMark(). 27717112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 27813631f3da855f200a151e7837ed9f6b079622b58Romain Guy void endMark() const; 27913631f3da855f200a151e7837ed9f6b079622b58Romain Guy 280d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase /** 281d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * Gets the alpha and xfermode out of a paint object. If the paint is null 282d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * alpha will be 255 and the xfermode will be SRC_OVER. This method does 28316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * not multiply the paint's alpha by the current snapshot's alpha, and does 28416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * not replace the alpha with the overrideLayerAlpha 285d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * 286d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param paint The paint to extract values from 287d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param alpha Where to store the resulting alpha 288d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase * @param mode Where to store the resulting xfermode 289d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase */ 290d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik static inline void getAlphaAndModeDirect(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 291527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik *mode = getXfermodeDirect(paint); 292527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik *alpha = getAlphaDirect(paint); 293527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 294527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 295d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik static inline SkXfermode::Mode getXfermodeDirect(const SkPaint* paint) { 296527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!paint) return SkXfermode::kSrcOver_Mode; 297527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return getXfermode(paint->getXfermode()); 298527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 299527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 300c1c5f0870282b56dafe5a4d756e4b9e6884655a7Chris Craik static inline int getAlphaDirect(const SkPaint* paint) { 301527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (!paint) return 255; 302527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik return paint->getAlpha(); 303d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase } 304d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 305624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy /** 306624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy * Return the best transform to use to rasterize text given a full 307624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy * transform matrix. 308624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy */ 309624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy mat4 findBestFontTransform(const mat4& transform) const; 310624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy 311527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik#if DEBUG_MERGE_BEHAVIOR 312527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik void drawScreenSpaceColorRect(float left, float top, float right, float bottom, int color) { 313527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.setScissorEnabled(false); 314527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 315527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik // should only be called outside of other draw ops, so stencil can only be in test state 316527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik bool stencilWasEnabled = mCaches.stencil.isTestEnabled(); 317527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik mCaches.stencil.disable(); 318527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 319527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik drawColorRect(left, top, right, bottom, color, SkXfermode::kSrcOver_Mode, true); 320527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 321527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik if (stencilWasEnabled) mCaches.stencil.enableTest(); 322527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik } 323527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik#endif 324527a3aace1dd72432c2e0472a570e030ad04bf16Chris Craik 325e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guyprotected: 326e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy /** 32735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * Computes the projection matrix, initialize the first snapshot 32835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * and stores the dimensions of the render target. 32935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy */ 33035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy void initViewport(int width, int height); 33135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 33235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy /** 33396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * Perform the setup specific to a frame. This method does not 33496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * issue any OpenGL commands. 33596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy */ 33696885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy void setupFrameState(float left, float top, float right, float bottom, bool opaque); 33796885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 33896885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy /** 33996885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * Indicates the start of rendering. This method will setup the 34096885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy * initial OpenGL state (viewport, clearing the buffer, etc.) 34196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy */ 34296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy status_t startFrame(); 34396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy 34496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy /** 3457c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy * Clears the underlying surface if needed. 3467c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy */ 3477c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy virtual status_t clear(float left, float top, float right, float bottom, bool opaque); 3487c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 3497c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy /** 35035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy * Call this method after updating a layer during a drawing pass. 35135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy */ 35235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy void resumeAfterLayer(); 35335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 35435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy /** 3558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * This method is called whenever a stencil buffer is required. Subclasses 3568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * should override this method and call attachStencilBufferToLayer() on the 3578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * appropriate layer(s). 3588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 3598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy virtual void ensureStencilBuffer(); 3608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 3618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 3628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Obtains a stencil render buffer (allocating it if necessary) and 3638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * attaches it to the specified layer. 3648ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 3658ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void attachStencilBufferToLayer(Layer* layer); 3668ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 367f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bool quickRejectSetupScissor(float left, float top, float right, float bottom, 368d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik const SkPaint* paint = NULL); 369d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik bool quickRejectSetupScissor(const Rect& bounds, const SkPaint* paint = NULL) { 370f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik return quickRejectSetupScissor(bounds.left, bounds.top, 371f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik bounds.right, bounds.bottom, paint); 372f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik } 373f0a590781b2c3e34132b2011d3956135add73ae0Chris Craik 3748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 375e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * Compose the layer defined in the current snapshot with the layer 376e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * defined by the previous snapshot. 377e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 378e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * The current snapshot *must* be a layer (flag kFlagIsLayer set.) 379e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * 380e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param curent The current snapshot containing the layer to compose 381e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy * @param previous The previous snapshot to compose the current layer with 382e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy */ 38314e513058ed4168c94e015638d16f5f87fd8063aChris Craik virtual void composeLayer(const Snapshot& current, const Snapshot& previous); 384694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 385ada830f639591b99c3e40de22b07296c7932a33fRomain Guy /** 386f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Marks the specified region as dirty at the specified bounds. 387ada830f639591b99c3e40de22b07296c7932a33fRomain Guy */ 388f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayerUnchecked(Rect& bounds, Region* region); 389ada830f639591b99c3e40de22b07296c7932a33fRomain Guy 39042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 39142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the region of the current layer. 39242f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 393624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual Region* getRegion() const { 394f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return mSnapshot->region; 395f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 396f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 39742f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 39842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Indicates whether rendering is currently targeted at a layer. 39942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 400624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual bool hasLayer() const { 401f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy return (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 402f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 4031bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 40442f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy /** 40542f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy * Returns the name of the FBO this renderer is rendering into. 40642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy */ 40714e513058ed4168c94e015638d16f5f87fd8063aChris Craik virtual GLuint getTargetFbo() const { 40842f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy return 0; 40942f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy } 41042f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy 41177a811610f99e21da7f88dafef60d09f345d0506Romain Guy /** 41277a811610f99e21da7f88dafef60d09f345d0506Romain Guy * Renders the specified layer as a textured quad. 41377a811610f99e21da7f88dafef60d09f345d0506Romain Guy * 41477a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param layer The layer to render 41577a811610f99e21da7f88dafef60d09f345d0506Romain Guy * @param rect The bounds of the layer 41677a811610f99e21da7f88dafef60d09f345d0506Romain Guy */ 41777a811610f99e21da7f88dafef60d09f345d0506Romain Guy void drawTextureLayer(Layer* layer, const Rect& rect); 41877a811610f99e21da7f88dafef60d09f345d0506Romain Guy 419be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 420be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Gets the alpha and xfermode out of a paint object. If the paint is null 42116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * alpha will be 255 and the xfermode will be SRC_OVER. Accounts for both 42216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * snapshot alpha, and overrideLayerAlpha 423be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * 424be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param paint The paint to extract values from 425be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param alpha Where to store the resulting alpha 426be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * @param mode Where to store the resulting xfermode 427be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 428d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik inline void getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const; 42916ecda5317c40fc3da284952d9b3add34d6763aeChris Craik 43016ecda5317c40fc3da284952d9b3add34d6763aeChris Craik /** 43116ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * Gets the alpha from a layer, accounting for snapshot alpha and overrideLayerAlpha 43216ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * 43316ecda5317c40fc3da284952d9b3add34d6763aeChris Craik * @param layer The layer from which the alpha is extracted 43416ecda5317c40fc3da284952d9b3add34d6763aeChris Craik */ 43516ecda5317c40fc3da284952d9b3add34d6763aeChris Craik inline float getLayerAlpha(Layer* layer) const; 436be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 437be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy /** 438be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * Safely retrieves the mode from the specified xfermode. If the specified 439be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. 440be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy */ 441be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy static inline SkXfermode::Mode getXfermode(SkXfermode* mode) { 442be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode resultMode; 443be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy if (!SkXfermode::AsMode(mode, &resultMode)) { 444be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy resultMode = SkXfermode::kSrcOver_Mode; 445be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 446be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return resultMode; 447be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy } 448be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 44911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy /** 45011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy * Set to true to suppress error checks at the end of a frame. 45111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy */ 452624234f69b2a4781d24f3e4c6ae6450729e38397Romain Guy virtual bool suppressErrorChecks() const { 45311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 45411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 45511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 45608ae317c21ec3086b5017672bba87420cc38a407Romain Guyprivate: 4575cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 458dcfc836b457a87881da409e1acf251515f121446Romain Guy * Discards the content of the framebuffer if supported by the driver. 459dcfc836b457a87881da409e1acf251515f121446Romain Guy * This method should be called at the beginning of a frame to optimize 460dcfc836b457a87881da409e1acf251515f121446Romain Guy * rendering on some tiler architectures. 461dcfc836b457a87881da409e1acf251515f121446Romain Guy */ 462dcfc836b457a87881da409e1acf251515f121446Romain Guy void discardFramebuffer(float left, float top, float right, float bottom); 463dcfc836b457a87881da409e1acf251515f121446Romain Guy 464dcfc836b457a87881da409e1acf251515f121446Romain Guy /** 465ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * Ensures the state of the renderer is the same as the state of 466ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy * the GL context. 467ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy */ 468ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy void syncState(); 469ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 470ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy /** 4712b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * Tells the GPU what part of the screen is about to be redrawn. 472d6b65f67717025b1162f86f04e2caa5723566cacChris Craik * This method will use the current layer space clip rect. 4732b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * This method needs to be invoked every time getTargetFbo() is 4742b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * bound again. 4752b7028eabac80cec170572bc0e945a1d4224e595Romain Guy */ 476d6b65f67717025b1162f86f04e2caa5723566cacChris Craik void startTilingCurrentClip(bool opaque = false); 4772b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 4782b7028eabac80cec170572bc0e945a1d4224e595Romain Guy /** 479c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * Tells the GPU what part of the screen is about to be redrawn. 480c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * This method needs to be invoked every time getTargetFbo() is 481c3fedafc5f50100219449125a000e3138f6fb987Romain Guy * bound again. 482c3fedafc5f50100219449125a000e3138f6fb987Romain Guy */ 483c3fedafc5f50100219449125a000e3138f6fb987Romain Guy void startTiling(const Rect& clip, int windowHeight, bool opaque = false); 484c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 485c3fedafc5f50100219449125a000e3138f6fb987Romain Guy /** 4862b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * Tells the GPU that we are done drawing the frame or that we 4872b7028eabac80cec170572bc0e945a1d4224e595Romain Guy * are switching to another render target. 4882b7028eabac80cec170572bc0e945a1d4224e595Romain Guy */ 4892b7028eabac80cec170572bc0e945a1d4224e595Romain Guy void endTiling(); 4902b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 49114e513058ed4168c94e015638d16f5f87fd8063aChris Craik void onSnapshotRestored(const Snapshot& removed, const Snapshot& restored); 492bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 4935cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 4945cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Sets the clipping rectangle using glScissor. The clip is defined by 4955cbbce535744b89df5ecea95de21ee3733298260Romain Guy * the current snapshot's clipRect member. 4965cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 497bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy void setScissorFromClip(); 498bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 4995cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 5008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Sets the clipping region using the stencil buffer. The clip region 5018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * is defined by the current snapshot's clipRegion member. 5028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 5038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void setStencilFromClip(); 5048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 5058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 506408eb12631376cbdc96803e918decf6ea804d346Chris Craik * Given the local bounds of the layer, calculates ... 507d90144db52c7297879b950cbbc85137ed123ab5bChris Craik */ 508d90144db52c7297879b950cbbc85137ed123ab5bChris Craik void calculateLayerBoundsAndClip(Rect& bounds, Rect& clip, bool fboLayer); 509d90144db52c7297879b950cbbc85137ed123ab5bChris Craik 510d90144db52c7297879b950cbbc85137ed123ab5bChris Craik /** 511408eb12631376cbdc96803e918decf6ea804d346Chris Craik * Given the local bounds + clip of the layer, updates current snapshot's empty/invisible 512408eb12631376cbdc96803e918decf6ea804d346Chris Craik */ 513408eb12631376cbdc96803e918decf6ea804d346Chris Craik void updateSnapshotIgnoreForLayer(const Rect& bounds, const Rect& clip, 514408eb12631376cbdc96803e918decf6ea804d346Chris Craik bool fboLayer, int alpha); 515408eb12631376cbdc96803e918decf6ea804d346Chris Craik 516408eb12631376cbdc96803e918decf6ea804d346Chris Craik /** 517d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * Creates a new layer stored in the specified snapshot. 518d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 519d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param snapshot The snapshot associated with the new layer 520d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param left The left coordinate of the layer 521d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param top The top coordinate of the layer 522d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param right The right coordinate of the layer 523d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param bottom The bottom coordinate of the layer 524d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param alpha The translucency of the layer 525d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode of the layer 526d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param flags The layer save flags 527d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * 528d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @return True if the layer was successfully created, false otherwise 529d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy */ 530d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bool createLayer(float left, float top, float right, float bottom, 531d44fbe55a9f434cb5bb0e34c143ba1445141990dDerek Sollenberger const SkPaint* paint, int flags); 532d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 533d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy /** 5345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Creates a new layer stored in the specified snapshot as an FBO. 5355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 5365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to store as an FBO 5375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param snapshot The snapshot associated with the new layer 5385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param bounds The bounds of the layer 5395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 540e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik bool createFboLayer(Layer* layer, Rect& bounds, Rect& clip); 5415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 5435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a region. 5445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 5455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 5465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 5475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 5485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRegion(Layer* layer, const Rect& rect); 5495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 5515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * Compose the specified layer as a simple rectangle. 5525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * 5535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param layer The layer to compose 5545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param rect The layer's bounds 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param swap If true, the source and destination are swapped 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 5575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy void composeLayerRect(Layer* layer, const Rect& rect, bool swap = false); 5585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 55954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 56054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Clears all the regions corresponding to the current list of layers. 56154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method MUST be invoked before any drawing operation. 56254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 56354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void clearLayerRegions(); 56454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 56554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 566f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. The coordinates 567f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * are transformed with the supplied matrix. 568f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 569f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 570f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom, const mat4 transform); 571f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 572f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 573f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy * Mark the layer as dirty at the specified coordinates. 574f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy */ 575f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy void dirtyLayer(const float left, const float top, 576f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float right, const float bottom); 577f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 578f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 5795cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a colored rectangle with the specified color. The specified coordinates 580735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * are transformed by the current snapshot's transform matrix unless specified 581735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * otherwise. 5825cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 5835cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 5845cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 5855cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 5865cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 5875cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param color The rectangle's ARGB color, defined as a packed 32 bits word 588026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param mode The Skia xfermode to use 5893d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy * @param ignoreTransform True if the current transform should be ignored 5905cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 591026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void drawColorRect(float left, float top, float right, float bottom, 5921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform = false); 5935cbbce535744b89df5ecea95de21ee3733298260Romain Guy 59454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 595735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * Draws a series of colored rectangles with the specified color. The specified 596735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * coordinates are transformed by the current snapshot's transform matrix unless 597735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * specified otherwise. 598735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * 599735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param rects A list of rectangles, 4 floats (left, top, right, bottom) 600735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * per rectangle 601735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param color The rectangles' ARGB color, defined as a packed 32 bits word 602735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param mode The Skia xfermode to use 603735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy * @param ignoreTransform True if the current transform should be ignored 6048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * @param dirty True if calling this method should dirty the current layer 6053bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy * @param clip True if the rects should be clipped, false otherwise 606735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy */ 607735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy status_t drawColorRects(const float* rects, int count, int color, 6083bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy SkXfermode::Mode mode, bool ignoreTransform = false, 6093bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy bool dirty = true, bool clip = true); 610735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 611735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy /** 61254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the shape represented by the specified path texture. 61354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * This method invokes drawPathTexture() but takes into account 61454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * the extra left/top offset and the texture offset to correctly 61554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * position the final shape. 61654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 61754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The left coordinate of the shape to render 61854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The top coordinate of the shape to render 61954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture reprsenting the shape 62054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the shape with 62154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 622d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawShape(float left, float top, const PathTexture* texture, const SkPaint* paint); 62354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 62454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 62554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey 62654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * different compositing rules. 62754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 62854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to draw with 62954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param left The x coordinate of the bitmap 63054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param top The y coordinate of the bitmap 63154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to render with 63254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 633d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawAlphaBitmap(Texture* texture, float left, float top, const SkPaint* paint); 634a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 63554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 63665cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a strip of polygons with the specified paint, used for tessellated geometry. 63765cd612face362d054a85d0f7e5881c59cd523beChris Craik * 63865cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param vertexBuffer The VertexBuffer to be drawn 63965cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param paint The paint to render with 64065cd612face362d054a85d0f7e5881c59cd523beChris Craik * @param useOffset Offset the vertexBuffer (used in drawing non-AA lines) 64165cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 642d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawVertexBuffer(const VertexBuffer& vertexBuffer, const SkPaint* paint, 64365cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = false); 64465cd612face362d054a85d0f7e5881c59cd523beChris Craik 64565cd612face362d054a85d0f7e5881c59cd523beChris Craik /** 646710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik * Renders the convex hull defined by the specified path as a strip of polygons. 64754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 648710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik * @param path The hull of the path to draw 649cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * @param paint The paint to render with 65054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 651d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik status_t drawConvexPath(const SkPath& path, const SkPaint* paint); 652858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 6535cbbce535744b89df5ecea95de21ee3733298260Romain Guy /** 6545cbbce535744b89df5ecea95de21ee3733298260Romain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 6555cbbce535744b89df5ecea95de21ee3733298260Romain Guy * are transformed by the current snapshot's transform matrix. 6565cbbce535744b89df5ecea95de21ee3733298260Romain Guy * 6575cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param left The left coordinate of the rectangle 6585cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param top The top coordinate of the rectangle 6595cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param right The right coordinate of the rectangle 6605cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param bottom The bottom coordinate of the rectangle 6615cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param texture The texture name to map onto the rectangle 6625cbbce535744b89df5ecea95de21ee3733298260Romain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 663d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy * @param mode The blending mode 664c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy * @param blend True if the texture contains an alpha channel 6655cbbce535744b89df5ecea95de21ee3733298260Romain Guy */ 666bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, 667a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend); 668c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 669026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy /** 67082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Draws a textured rectangle with the specified texture. The specified coordinates 67182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * are transformed by the current snapshot's transform matrix. 67282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 67382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 67482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 67582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 67682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 67782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture to use 67882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param paint The paint containing the alpha, blending mode, etc. 67982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 680a979474f15b454c8e2963f239a3770e200bb227cRomain Guy void drawTextureRect(float left, float top, float right, float bottom, 681d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* texture, const SkPaint* paint); 68282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 68382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy /** 68403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * Draws a textured mesh with the specified texture. If the indices are omitted, 68503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * the mesh is drawn as a simple quad. The mesh pointers become offsets when a 68603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * VBO is bound. 68782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * 68882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param left The left coordinate of the rectangle 68982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param top The top coordinate of the rectangle 69082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param right The right coordinate of the rectangle 69182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param bottom The bottom coordinate of the rectangle 69282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texture The texture name to map onto the rectangle 69382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param alpha An additional translucency parameter, between 0.0f and 1.0f 69482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param mode The blending mode 69582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param blend True if the texture contains an alpha channel 69682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param vertices The vertices that define the mesh 69782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param texCoords The texture coordinates of each vertex 69882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * @param elementsCount The number of elements in the mesh, required by indices 699f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param swapSrcDst Whether or not the src and dst blending operations should be swapped 700f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy * @param ignoreTransform True if the current transform should be ignored 70103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy * @param vbo The VBO used to draw the mesh 7024063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param modelViewMode Defines whether the model view matrix should be scaled 7035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy * @param dirty True if calling this method should dirty the current layer 704f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy */ 705f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, 706a979474f15b454c8e2963f239a3770e200bb227cRomain Guy float alpha, SkXfermode::Mode mode, bool blend, 7076820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 7085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 7094063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, bool dirty = true); 710f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 7113b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy void drawIndexedTextureMesh(float left, float top, float right, float bottom, GLuint texture, 7123b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy float alpha, SkXfermode::Mode mode, bool blend, 7133b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 7143b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, 7154063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, bool dirty = true); 7163b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 717886b275e529e44a59c54b933453d9bc902973178Romain Guy void drawAlpha8TextureMesh(float left, float top, float right, float bottom, 718886b275e529e44a59c54b933453d9bc902973178Romain Guy GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, 719886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 7204063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool ignoreTransform, ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, 7214063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik bool dirty = true); 722886b275e529e44a59c54b933453d9bc902973178Romain Guy 723f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy /** 724448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * Draws the specified list of vertices as quads using indexed GL_TRIANGLES. 725448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * If the number of vertices to draw exceeds the number of indices we have 726448455fe783b0a711340322dca272b8cc0ebe473Romain Guy * pre-allocated, this method will generate several glDrawElements() calls. 727448455fe783b0a711340322dca272b8cc0ebe473Romain Guy */ 7284063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik void issueIndexedQuadDraw(Vertex* mesh, GLsizei quadsCount); 729448455fe783b0a711340322dca272b8cc0ebe473Romain Guy 730448455fe783b0a711340322dca272b8cc0ebe473Romain Guy /** 7310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * Draws text underline and strike-through if needed. 7320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * 7330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param text The text to decor 7340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param bytesCount The number of bytes in the text 73541541825bc90dac740e424cdd41a8c997e15cdb7Chris Craik * @param totalAdvance The total advance in pixels, defines underline/strikethrough length 7360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param x The x coordinate where the text will be drawn 7370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param y The y coordinate where the text will be drawn 7380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy * @param paint The paint to draw the text with 7390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy */ 740d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawTextDecorations(float totalAdvance, float x, float y, const SkPaint* paint); 7411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 742416a847633680d94efb926837efdc18726d54918Raph Levien /** 743416a847633680d94efb926837efdc18726d54918Raph Levien * Draws shadow layer on text (with optional positions). 744416a847633680d94efb926837efdc18726d54918Raph Levien * 745416a847633680d94efb926837efdc18726d54918Raph Levien * @param paint The paint to draw the shadow with 746416a847633680d94efb926837efdc18726d54918Raph Levien * @param text The text to draw 747416a847633680d94efb926837efdc18726d54918Raph Levien * @param bytesCount The number of bytes in the text 748416a847633680d94efb926837efdc18726d54918Raph Levien * @param count The number of glyphs in the text 749416a847633680d94efb926837efdc18726d54918Raph Levien * @param positions The x, y positions of individual glyphs (or NULL) 750416a847633680d94efb926837efdc18726d54918Raph Levien * @param fontRenderer The font renderer object 751416a847633680d94efb926837efdc18726d54918Raph Levien * @param alpha The alpha value for drawing the shadow 752416a847633680d94efb926837efdc18726d54918Raph Levien * @param mode The xfermode for drawing the shadow 753416a847633680d94efb926837efdc18726d54918Raph Levien * @param x The x coordinate where the shadow will be drawn 754416a847633680d94efb926837efdc18726d54918Raph Levien * @param y The y coordinate where the shadow will be drawn 755416a847633680d94efb926837efdc18726d54918Raph Levien */ 756d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawTextShadow(const SkPaint* paint, const char* text, int bytesCount, int count, 757416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 758416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y); 759416a847633680d94efb926837efdc18726d54918Raph Levien 76054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy /** 76154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * Draws a path texture. Path textures are alpha8 bitmaps that need special 76254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * compositing to apply colors/filters/etc. 76354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * 76454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param texture The texture to render 76554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param x The x coordinate where the texture will be drawn 76654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param y The y coordinate where the texture will be drawn 76754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy * @param paint The paint to draw the texture with 76854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy */ 769d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik void drawPathTexture(const PathTexture* texture, float x, float y, const SkPaint* paint); 77001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 7711e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy /** 772ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy * Resets the texture coordinates stored in mMeshVertices. Setting the values 773026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * back to default is achieved by calling: 774026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 7758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy * resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 776026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * 777026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u1 The left coordinate of the texture 778026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v1 The bottom coordinate of the texture 779026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param u2 The right coordinate of the texture 780026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy * @param v2 The top coordinate of the texture 781026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy */ 782026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy void resetDrawTextureTexCoords(float u1, float v1, float u2, float v2); 783026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 7848ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy /** 785768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy * Returns true if the specified paint will draw invisible text. 786768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy */ 787768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy bool canSkipText(const SkPaint* paint) const; 788768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy 789768bffc9b814f6a1f7d9ff59d91285895c23bbe9Romain Guy /** 790746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Binds the specified texture. The texture unit must have been selected 791746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * prior to calling this method. 792a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy */ 793746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void bindTexture(GLuint texture) { 7948aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mCaches.bindTexture(texture); 795746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 796746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 797746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 798aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Binds the specified EGLImage texture. The texture unit must have been selected 799aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * prior to calling this method. 800aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 801aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy inline void bindExternalTexture(GLuint texture) { 8028aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy mCaches.bindTexture(GL_TEXTURE_EXTERNAL_OES, texture); 803aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 804aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 805aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 80682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * Enable or disable blending as necessary. This function sets the appropriate 80782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy * blend function based on the specified xfermode. 80882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy */ 809f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy inline void chooseBlending(bool blend, SkXfermode::Mode mode, ProgramDescription& description, 810f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst = false); 811a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 812f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy /** 813d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * Use the specified program with the current GL context. If the program is already 814d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * in use, it will not be bound again. If it is not in use, the current program is 815d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * marked unused and the specified program becomes used and becomes the new 816d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * current program. 8176926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy * 818d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @param program The program to use 819d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * 820d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy * @return true If the specified program was already in use, false otherwise. 821260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy */ 822889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy inline bool useProgram(Program* program); 823260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 824746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 825746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Invoked before any drawing operation. This sets required state. 826746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 82754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy void setupDraw(bool clear = true); 82817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy 82970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy /** 83070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy * Various methods to setup OpenGL rendering. 83170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy */ 83270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawWithTexture(bool isAlpha8 = false); 833ff316ec7a76e52572a2e89b691e6b3bba0cafba3Romain Guy void setupDrawWithTextureAndColor(bool isAlpha8 = false); 834aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawWithExternalTexture(); 83515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy void setupDrawNoTexture(); 836710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void setupDrawAA(); 8378d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy void setupDrawColor(int color, int alpha); 83870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColor(float r, float g, float b, float a); 83986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawAlpha8Color(int color, int alpha); 8404121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGamma(const SkPaint* paint); 84170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShader(); 84270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilter(); 84370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 84470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 84570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, 84670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool swapSrcDst = false); 84770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawProgram(); 84870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawDirtyRegionsDisabled(); 8494063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik 8504063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik /** 8514063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Setup the current program matrices based upon the nature of the geometry. 8524063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 8534063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param mode If kModelViewMode_Translate, the geometry must be translated by the left and top 8544063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * parameters. If kModelViewMode_TranslateAndScale, the geometry that exists in the (0,0, 1,1) 8554063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * space must be scaled up and translated to fill the quad provided in (l,t,r,b). These 8564063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * transformations are stored in the modelView matrix and uploaded to the shader. 8574063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 8584063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param offset Set to true if the the matrix should be fudged (translated) slightly to disambiguate 859564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik * geometry pixel positioning. See Vertex::GeometryFudgeFactor(). 8604063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 8614063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * @param ignoreTransform Set to true if l,t,r,b coordinates already in layer space, 8624063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * currentTransform() will be ignored. (e.g. when drawing clip in layer coordinates to stencil, 8634063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * or when simple translation has been extracted) 8644063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 8654063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik void setupDrawModelView(ModelViewMode mode, bool offset, 8664063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik float left, float top, float right, float bottom, bool ignoreTransform = false); 86770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorUniforms(); 86886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy void setupDrawPureColorUniforms(); 86970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawShaderUniforms(bool ignoreTransform = false); 87070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawColorFilterUniforms(); 87170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawSimpleMesh(); 87270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy void setupDrawTexture(GLuint texture); 873aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy void setupDrawExternalTexture(GLuint texture); 8748f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransform(); 8758f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy void setupDrawTextureTransformUniforms(mat4& transform); 8764121063313ac0d6f69f6253cac821d0c1c122086Romain Guy void setupDrawTextGammaUniforms(); 877564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik void setupDrawMesh(const GLvoid* vertices, const GLvoid* texCoords = NULL, GLuint vbo = 0); 878564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik void setupDrawMesh(const GLvoid* vertices, const GLvoid* texCoords, const GLvoid* colors); 879564acf7c9bff822f608cda0d5df0a64a9f9aaefdChris Craik void setupDrawMeshIndices(const GLvoid* vertices, const GLvoid* texCoords, GLuint vbo = 0); 880448455fe783b0a711340322dca272b8cc0ebe473Romain Guy void setupDrawIndexedVertices(GLvoid* vertices); 881f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy void accountForClear(SkXfermode::Mode mode); 882746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 88311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy bool updateLayer(Layer* layer, bool inFrame); 88411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy void updateLayers(); 88596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy void flushLayers(); 88611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 887e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#if DEBUG_LAYERS_AS_REGIONS 88817112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy /** 88917112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * Renders the specified region as a series of rectangles. This method 89017112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy * is used for debugging only. 89117112ad8a21a77620eb1ff14dcf8bdd6b7859712Romain Guy */ 892e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik void drawRegionRectsDebug(const Region& region); 893e63f7c622a2086aefa80983c6f41b74fb166bb42Chris Craik#endif 8943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 8968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Renders the specified region as a series of rectangles. The region 8978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * must be in screen-space coordinates. 8988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 8998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void drawRegionRects(const SkRegion& region, int color, SkXfermode::Mode mode, 9008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool dirty = false); 9018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 9038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Draws the current clip region if any. Only when DEBUG_CLIP_REGIONS 9048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * is turned on. 9058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 9068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void debugClip(); 9078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 9087c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy void debugOverdraw(bool enable, bool clear); 9097c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy void renderOverdraw(); 91078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy void countOverdraw(); 9117c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 912746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy /** 913746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy * Should be invoked every time the glScissor is modified. 914746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy */ 915746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy inline void dirtyClip() { 916746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = true; 917746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy } 918746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 9193b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy inline const UvMapper& getMapper(const Texture* texture) { 9203b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy return texture && texture->uvMapper ? *texture->uvMapper : mUvMapper; 9213b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy } 9223b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 9233b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy /** 9243b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * Returns a texture object for the specified bitmap. The texture can 9253b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * come from the texture cache or an atlas. If this method returns 9263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * NULL, the texture could not be found and/or allocated. 9273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy */ 928d218a92c0afb8c0d98135b20b52ac87236e1c935Chris Craik Texture* getTexture(const SkBitmap* bitmap); 9293b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 930f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik // Matrix used for view/projection in shaders 931f57776b2d195f0937906eb88b777bb55ccc36967Chris Craik mat4 mViewProjMatrix; 932bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 9334063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik /** 9344063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Model-view matrix used to position/size objects 9354063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 9364063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Stores operation-local modifications to the draw matrix that aren't incorporated into the 9374063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * currentTransform(). 9384063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 9394063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * If generated with kModelViewMode_Translate, the mModelView will reflect an x/y offset, 9404063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * e.g. the offset in drawLayer(). If generated with kModelViewMode_TranslateAndScale, 9414063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * mModelView will reflect a translation and scale, e.g. the translation and scale required to 9424063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * make VBO 0 (a rect of (0,0,1,1)) scaled to match the x,y offset, and width/height of a 9434063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * bitmap. 9444063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * 9454063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik * Used as input to SkiaShader transformation. 9464063a0e03ba2e354cc6d19c0ffc073fd5b8aa2caChris Craik */ 947c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy mat4 mModelView; 948c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 9492b7028eabac80cec170572bc0e945a1d4224e595Romain Guy // State used to define the clipping region 9505f803623559aab395a29d575c37c4e39c23a4b4eChris Craik Rect mTilingClip; 95196885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Is the target render surface opaque 95296885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy bool mOpaque; 95396885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy // Is a frame currently being rendered 95496885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy bool mFrameStarted; 9559d5316e3f56d138504565ff311145ac01621dff4Romain Guy 956026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Used to draw textured quads 957ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex mMeshVertices[4]; 958ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 9593b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy // Default UV mapper 9603b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper mUvMapper; 9613b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 962c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik // shader, filters, and shadow 963c3566d06421c8acc0aafb18f7e307e5725ce87e1Chris Craik DrawModifiers mDrawModifiers; 9645ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy SkPaint mFilteredPaint; 9655ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 96682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy // Various caches 967fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Caches& mCaches; 9683bbacf27c0be1bae4e4483577fc89ae3113abe5dRomain Guy Extensions& mExtensions; 9698694230ff25fa0a60e480d424843e56b718f0516Romain Guy 9708f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of rectangles to clear after saveLayer() is invoked 97154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vector<Rect*> mLayers; 9728f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy // List of functors to invoke after a frame is drawn 973ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> mFunctors; 97411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // List of layers to update at the beginning of a frame 97511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Vector<Layer*> mLayerUpdates; 97654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // The following fields are used to setup drawing 97870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Used to describe the shaders to generate 97970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy ProgramDescription mDescription; 98070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Color description 98170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mColorSet; 98270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy float mColorA, mColorR, mColorG, mColorB; 98370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Indicates that the shader should get a color 98470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mSetShaderColor; 98570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Current texture unit 98670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy GLuint mTextureUnit; 98770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy // Track dirty regions, true by default 98870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool mTrackDirtyRegions; 9892b7028eabac80cec170572bc0e945a1d4224e595Romain Guy // Indicate whether we are drawing an opaque frame 9902b7028eabac80cec170572bc0e945a1d4224e595Romain Guy bool mOpaqueFrame; 99170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 99287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy // See PROPERTY_DISABLE_SCISSOR_OPTIMIZATION in 99387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy // Properties.h 99487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy bool mScissorOptimizationDisabled; 99587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 99654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // No-ops start/endTiling when set 99754c1a64d5441a964890b44280e4457e11f4f924aRomain Guy bool mSuppressTiling; 99854c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 99978dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy // If true, this renderer will setup drawing to emulate 100078dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy // an increment stencil buffer in the color buffer 100178dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy bool mCountOverdraw; 100278dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy float mOverdraw; 100378dd96d5af20f489f0e8b288617d57774ec284f7Romain Guy 1004b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy friend class DisplayListRenderer; 100596885eb480c5e0526fe2f77d30f6e551f3f3ceabRomain Guy friend class Layer; 1006257ae3502cfad43df681b1783528d645bdabc63fRomain Guy friend class TextSetupFunctor; 100703c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy friend class DrawBitmapOp; 100803c00b5a135e68d22ca5bb829b899ebda6ed7e9dRomain Guy friend class DrawPatchOp; 1009b051e895ccb696604349c6c5efe7c4747e1d1ab6Romain Guy 1010bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy}; // class OpenGLRenderer 1011e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 10129d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 1013e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 1014e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 10155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_OPENGL_RENDERER_H 1016